← View Generic B3578 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2019 Ford F150 PICKUP
B3578: B3578: Door Locks Actuator Circuit Malfunction
on 2019 Ford F150 PICKUP
Fix Cost
$100 - $300
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2019 Ford
F150 PICKUP
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Important for 2019 Ford F150 PICKUP Owners
Before starting repairs, verify which engine your 2019 Ford F150 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does B3578 Mean on 2019 Ford F150 PICKUP?
The B3578 code indicates a malfunction in the door locks actuator circuit, which controls the operation of the door locks. This can cause issues with locking and unlocking the doors.
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Symptoms
- • Door locks not functioning properly
- • may be stuck or not responding to key fob or door switch
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Common Causes
- • Faulty door locks actuator
- • wiring issue
- • or electronic control module malfunction
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How to Fix B3578 on 2019 Ford F150 PICKUP
1. Check and clean the door locks actuator and wiring. 2. Replace the door locks actuator if faulty. 3. Check and update the electronic control module software if necessary.
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Need Maintenance Info for Your F150 PICKUP?
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Related Diagnostic Codes
Other codes that may appear with B3578
B3576
Sequential Code
B3576: Airbag System Fault
High
B3577
Sequential Code
B3577: Climate Control Fan Motor Fault
Medium
B3579
Sequential Code
B3579: Power Window Regulator Malfunction
Medium
B3580
Sequential Code
B3580: Seat Position Sensor Circuit Malfunction
Medium
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system